Color

#5172ec

#5172ec
hex#5172ec
rgbrgb(81, 114, 236)
hslhsl(227, 80%, 62%)
oklchoklch(0.593 0.187 268.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1984

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ecca51

#51c0ec · #7d51ec

#ec5172 · #72ec51

Split-complementary

Open in tool →

#ec7d51 · #c0ec51

#ec51c0 · #ecca51 · #51ec7d

Contrast

#5172ec as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #476beb as the text (4.59:1)
  • AAA: use #1944e1 as the text (7.11:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5172ec as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5172ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5172ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5172ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5172ec-9ca0c4-df7a4e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md